Question

Sodium carbonate and Sodium bicarbonate are two salts used in daily life.

(a) Write down the chemical formula of sodium bicarbonate ?

(b) Write down any one use of Sodium carbonate.

(c) Which is the gas formed by the reaction of carbonates with acids ?

(d) Write down any one consequence of the increase in the concentration of this gas in the atmosphere ?

Answer 1

(a) Sodium carbonate : Na2CO3

(b) Uses of Sodium carbonate are :

• Manufacture of glass

• Manufacture of soaps and detergents. (Any one)

(c) Carbon dioxide/CO2

(d) Increased concentration of carbon dioxide in atmosphere leads to global warming.